How to list all members by group to be printed sort of a masterlist?
No such feature exists. You'll need to filter the list in backend and just print the page or maybe develop something that outputs a printable list in the format you need.
and how to create a notification to users when they click the join button? example: Group is APPROVAL when a I click join to that group I should be notified that my membership is pending approval
Navigate to your Group and click Notifications menu item and ensure you're set to be notified.
krileon
